Pentadd Quiz - Level 9
Find the five numbers which when added or multiplied together in pairs to produce the given totals.
This is level 9; Your computer is thinking of five positive integers between 1 and 10 and products are calculated. Can you work out what they are?
When the five numbers are multiplied in pairs the totals are:
4, 6, 8, 10, 24, 32, 40, 48, 60, 80.
Type in your answers in order from smallest to largest.
This is Pentadd Quiz level 9. You can also try:
Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.
When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.
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Level 1 - Positive integers between 1 and 10
Level 2 - Positive integers between 1 and 20
Level 3 - Positive integers between 1 and 50
Level 4 - Positive integers between 1 and 100
Level 5 - Integers between -9 and 9
Level 6 - Integers between -99 and 99
Level 7 - Whole numbers and halves
Level 8 - Decimals
Level 9 - Positive integers between 1 and 10 and products are calculated
Level 10 - Positive integers between 1 and 100 and products are calculated